National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Platteville Municipal Airport (KPVB)

Lat: 42.69°NLon: 90.44°WElev: 1020ft.

Overcast

46°F

8°C

Humidity 80%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 4 Mar 3:55 pm CST
Extended Forecast for

Potosi WI

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 40. Calm wind becoming northeast around 5 mph after midnight.

    Low: 40 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 8am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 53. East wind around 6 mph.

    High: 53 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 42. Southeast wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 66. South wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then showers likely. Low around 40. South wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 51. Northwest wind 8 to 14 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Southwest wind 7 to 11 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 59 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after 5am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 40. Calm wind becoming northeast around 5 mph after midnight.
Thursday
A 30 percent chance of showers, mainly before 8am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 53. East wind around 6 mph.
Thursday Night
A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 42. Southeast wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm. High near 66. South wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Low around 40. South wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 51. Northwest wind 8 to 14 mph.
Saturday Night
Mostly clear, with a low around 34. Southwest wind 7 to 11 mph.
Sunday
Sunny, with a high near 59. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 44. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 68. Southwest wind 9 to 15 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 45. Southwest wind around 11 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Showers likely. Partly sunny, with a high near 58. Breezy, with an east wind 11 to 16 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Tuesday Night
Rain and snow showers likely. Mostly cloudy, with a low around 29. South wind around 15 mph becoming north in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 38. Breezy, with a north wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Potosi WI
 42.69°N 90.72°W
Last Update:
2:57 pm CST Mar 4, 2026
Forecast Valid:
4pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation